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Started By
Message
re: Road Noise: tires or bearing?
Posted on 9/6/23 at 9:32 am to nolatiger711
Posted on 9/6/23 at 9:32 am to nolatiger711
Sounds bearings to me. Had an almost identical situation recently. New tires for my truck. Started hearing a hum. At first it sounded similar to how mud tires sound on asphalt.
Hum got progressively worse and became a vibration that I could feel very slightly in the steering wheel. Different surfaces made it seem more prevalent but it was mostly based on speed.
I put my truck in the shop and it was confirmed as wheel bearings.
Hum got progressively worse and became a vibration that I could feel very slightly in the steering wheel. Different surfaces made it seem more prevalent but it was mostly based on speed.
I put my truck in the shop and it was confirmed as wheel bearings.
1
Posted on 9/6/23 at 10:56 am to nolatiger711
When front driver's side bearing went out on my F-150, It was a low hum, but all the time. Changed it myself in the driveway in 30 minutes.
Posted on 9/6/23 at 11:00 am to nolatiger711
Can you try to replicate the sound yourself and upload an mp4 file?
Posted on 9/6/23 at 11:27 am to nolatiger711
Simple test is after driving, get out and place hand on hubs. Hot hub means bad bearing. I hand test my trailer tires often.
Posted on 9/6/23 at 11:30 am to nolatiger711
quote:
A day or two ago I started hearing a helicopter type hum. The hum is not very noticeable at speeds 20 mph or less. Also, the hum seems to go away on certain road surfaces. The sound is definitely proportional to wheel rotation and not RPM’s.
Is it worse when you turn?
Posted on 9/6/23 at 11:31 am to ewilliams000
quote:wheel will be hot due to brake rotor. But your method works for a boat trailer.
Simple test is after driving, get out and place hand on hubs. Hot hub means bad bearing. I hand test my trailer tires often.
Posted on 9/6/23 at 11:39 am to nolatiger711
quote:
I am worried about my wheel bearings, but the sound going away makes me think just an odd wearing in moment for the tires in combo to certain surfaces, right?
a few months back i was hearing a weird noise on my truck, thought it might be bearings as well because of the way it sounded. It turned out one of my brake calipers was broken and was rubbing against the brake rotor, actually cut a groove in it.
Posted on 9/6/23 at 12:04 pm to White Bear
The first thing to do is drive with the windows open and increase speed. A wheel bearing will be louder as speed increases and doesn't level off. Given the issue just started and the vehicle has 130k the chances of both wheel bearings going out within the same few miles is low, so if the sound seems to be coming from both sides that lowers the chance of a wheel bearing in this case. The noise will rarely change with braking (unless they are complete junk), just speed.
The next step is to jack up the car and grab the tire at 3 and 9 o'clock and try to twist it back and forth. If there is play then do the same with your hands at 12 and 6 if there is play in both directions it is almost 100% you have a bad wheel bearing but it can also be loose lugnuts from the recent tire change, so verify lugnut torque! Also note if it is quiet you can not only feel play but hear a clunking as you reach the end of the play in either direction.
Someone mentioned fixing one in 30 minutes in their driveway. This is VERY vehicle dependent and depends on if it is FWD/RWD/AWD, front or rear, and how difficult the bearings are to replace. A lot of cars have pressed-in bearings so you need a bearing press and again depending on the car and whether it is front or rear you might have to remove a decent amount of stuff to get to the bearing. I say this so if you get a $400-500+ estimate it may not be outrageous at all.
The next step is to jack up the car and grab the tire at 3 and 9 o'clock and try to twist it back and forth. If there is play then do the same with your hands at 12 and 6 if there is play in both directions it is almost 100% you have a bad wheel bearing but it can also be loose lugnuts from the recent tire change, so verify lugnut torque! Also note if it is quiet you can not only feel play but hear a clunking as you reach the end of the play in either direction.
Someone mentioned fixing one in 30 minutes in their driveway. This is VERY vehicle dependent and depends on if it is FWD/RWD/AWD, front or rear, and how difficult the bearings are to replace. A lot of cars have pressed-in bearings so you need a bearing press and again depending on the car and whether it is front or rear you might have to remove a decent amount of stuff to get to the bearing. I say this so if you get a $400-500+ estimate it may not be outrageous at all.
This post was edited on 9/6/23 at 12:59 pm
Posted on 9/6/23 at 12:56 pm to nolatiger711
The bearings would be felt when brakes were applied. My pedals would vibrate with my back wheel bearings being worn out. Front bearings can usually be felt in the steering wheel.
Posted on 9/6/23 at 12:58 pm to nolatiger711
Had something similar years ago. It ended up being the rear end differential.
Posted on 9/6/23 at 1:56 pm to Jimbojambojumbo
Are you driving with your window rolled down when you hear this racket? IF so, roll down a second window and see if the noise goes away.
Posted on 9/6/23 at 2:23 pm to nolatiger711
Did the OP ever provide a make/model of vehicle and tires? That info is basic to even guessing at the diagnosis.
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